Antonyms for the word "clogging up" are "clearing out," "freeing up," "unblocking," "opening up," "facilitating," "streamlining," "ordering," "organizing," "untangling," "unclogging," "expediting," "smooth sailing," "lubricating," "unhampering," and "unhitching." These words denote the opposite meaning of clogging up, which means to obstruct or block the flow of something. Using these antonyms in writing or communication will convey the idea of freeing up space or resources, making things more accessible and efficient, and allowing for a seamless and smooth flow of activities or operations. By avoiding the use of negative language and embracing positive words, we can create a more productive and conducive environment.